<template>
    <div>
      <!--   面包屑导航栏   -->
      <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>用户管理</el-breadcrumb-item>
        <el-breadcrumb-item>用户列表</el-breadcrumb-item>
      </el-breadcrumb>

      <!--   卡片   -->
      <el-card class="box-card">
        <!--    搜索与添加区域    -->
        <el-row :gutter="20">
          <el-col :span="8">
            <el-input clearable @clear="getUserList" placeholder="请输入内容" v-model="queryInfo.query">
              <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
            </el-input>
          </el-col>
          <el-col :span="4">
            <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
          </el-col>
        </el-row>

        <!--    用户列表区域    -->
        <el-table :data="userlist" border stripe>
          <el-table-column type="index"></el-table-column>
          <el-table-column label="姓名" prop="username"></el-table-column>
          <el-table-column label="邮箱" prop="email"></el-table-column>
          <el-table-column label="电话" prop="mobile"></el-table-column>
          <el-table-column label="角色" prop="role_name"></el-table-column>
          <el-table-column label="状态" prop="mg_state">
            <template slot-scope="scope">
              <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
              </el-switch>
            </template>
          </el-table-column>
          <el-table-column label="操作" width="180px">
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
            <el-tooltip class="item" effect="dark" content="分配角色" placement="top" :enterable="true">
              <el-button type="warn" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
            </el-tooltip>
          </el-table-column>
        </el-table>

        <!--    分页区域    -->
        <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
                       :current-page="queryInfo.pagenum" :page-sizes="[1, 2, 5, 10]"
                       :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total">
        </el-pagination>
      </el-card>

      <!-- 添加用户的对话框 -->
      <el-dialog title="添加用户" :visible.sync="addDialog" width="50%" @close="addDialogClosed">
        <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
          <el-form-item label="用户名" prop="username">
            <el-input v-model="ruleForm.name"></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input v-model="ruleForm.password"></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="ruleForm.email"></el-input>
          </el-form-item>
          <el-form-item label="电话" prop="username">
            <el-input v-model="ruleForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="addDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="adduser">确 定</el-button>
        </span>
      </el-dialog>

      <!--   修改用户的对话框   -->
      <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
        <el-form :model="editFrom" :rules="editFromRules" ref="editFromRef" label-width="70px">
          <el-form-item label="用户名" prop="name">
            <el-input v-model="editFrom.username" disabled></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="editFrom.email"></el-input>
          </el-form-item>
          <el-form-item label="电话" prop="mobile">
            <el-input v-model="editFrom.mobile"></el-input>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="editDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="editUserInfo">确 定</el-button>
        </span>
      </el-dialog>

      <!--   分配角色的对话框   -->
      <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleDialogClosed">
        <div>
          <p>当前的用户：{{userInfo.username}}</p>
          <p>当前的角色：{{userInfo.role_name}}</p>
          <p>分配新角色：
            <el-select v-model="selectedRoleId" placeholder="请选择">
              <el-option
                v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id">
              </el-option>
            </el-select>
          </p>
        </div>
        <span slot="footer" class="dialog-footer">
          <el-button @click="setRoleDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
        </span>
      </el-dialog>
    </div>
</template>

<script>
    export default {
      name: "Users",
      data() {

        var checkEmail = (rule, value, cb) => {
          const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
          if(regEmail.test(value)) {
            return cb()
          }
          cb(new Error('请输入合法的邮箱'))
        }

        var checkMobile = (rule, value, cb) => {
          const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
          if(regMobile.test(value)) {
            return cb()
          }
          cb(new Error('请输入合法的手机号'))
        }

        return {
          queryInfo: {
            query: '',
            pagenum: 1,
            pagesize: 2
          },
          userlist: [],
          total: 0,
          addDialogVisible: false,
          addForm: {
            username,
            password,
            email,
            mobile
          },
          addFormRules: {
            username: [
              { required: true, message: '请输入用户名', trigger: 'blur' },
              { min: 3, max: 10, message: '用户名长度在3—10个字符之间', trigger: 'blur' }
            ],
            password: [
              { required: true, message: '请输入密码', trigger: 'blur' },
              { min: 6, max: 15, message: '密码长度在6—15个字符之间', trigger: 'blur' }
            ],
            email: [
              { required: true, message: '请输入邮箱', trigger: 'blur' },
              { validator: checkEmail, trigger: 'blur' }
            ],
            mobile: [
              { required: true, message: '请输入电话', trigger: 'blur' },
              { validator: checkMobile, trigger: 'blur' }
            ]
          },
          editDialogVisible: false,
          editFrom: {},
          editFrom: {},
          editFromRules: {
            email: [
              { required: true, message: '请输入邮箱', trigger: 'blur' },
              { validator: checkEmail, trigger: 'blur' }
            ],
            moblie: [
              { required: true, message: '请输入电话', trigger: 'blur' },
              { validator: checkMobile, trigger: 'blur' }
            ]
          },
          setRoleDialogVisible: false,
          userInfo: {},
          rolesList,
          selectedRoleId
        }
      },
      created() {
        this.getUserList()
      },
      methods: {
        async getUserList() {
          const { data:res } = await this.$http.get('users', { params: this.queryInfo })
          if(res.meta.status !== 200 ) return this.$message.error('获取用户列表失败')
          this.userlist = res.data.users
          this.total = res.data.total
        },
        handleSizeChange(newSize) {
          this.queryInfo.pagesize = newSize
          this.getUserList()
        },
        handleCurrentChange(newPage) {
          this.queryInfo.pagenum = newPage
          this.getUserList()
        },
        async userStateChanged(userInfo) {
          const { data: res } = await this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`)
          if(res.meta,status !== 200) {
            userInfo.mg_state = ! userInfo.mg_state
            return this.$message.error('更新用户状态失败')
          }
          this.$message.info('更新用户状态成功')
        },
        addDialogClosed() {
          this.$refs.addFormRef.resetFields()
        },
        adduser() {
          this.$refs.addFormRef.validate(async valid => {
            if(!valid) return
            const { data:res } = await this.$http.post('users', this.addForm)
            if(res.meta.status !== 201) {
              this.$message.error('添加用户失败！')
              return
            }
            this.$message.info('添加用户成功！')
            this.addDialogVisible = false
            this.getUserList()
          })
        },
        async showEditDialog(id) {
          const { data:res } = await this.$http.get('/users/'+id)
          if(res.meta.status !== 200) {
            return this.$message.error('查询用户信息失败')
          }
          this.editFrom = res.data
          this.editDialogVisible = true
        },
        editDialogClosed() {
          this.$refs.editFromRef.resetFields()
        },
        editUserInfo() {
          this.$refs.editFromRef.validate(async valid => {
            if(!valid) return
            const { data:res } = await this.$http.put('users/'+ this.editFrom.id, {this.editFrom.email, this.editFrom.mobile})

            if(res.meta.status !== 200) {
              return this.$message.error('更新用户信息失败！')
            }

            //关闭对话框
            this.editDialogVisible = false
            //刷新沪剧列表
            this.getUserList()
            //提示修改成功
            this.$message.info('更新用户信息成功！')
          })
        },
        async removeUserById(id) {
          // 弹框询问用户是否删除
          const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
          }).catch(err => err)

          // 如果用户确认删除， 则返回职位字符串 confirm
          // 如果用户取消了删除， 则返回值为字符串 cansel
          if(confirmResult !== 'confirm') {
            return this.$message.info('已经取消删除')
          }

          // 当用户确认删除
          const { data:res } = await this.$http.delete('users/' + id)

          if(res.meta.status !== 200) {
            return this.$message.error('删除用户失败')
          }

          this.$message.success('删除用户成功')
          this.getUserList()
        },
        async setRole(userInfo) {
          this.setRoleDialogVisible = true
          const {data:res} = await this.$http.get('roles')
          if(res.meta.status !== 200) {
            return this.$message.error('获取角色列表失败')
          }
          this.rolesList = res.data

          this.userInfo = userInfo
        },
        async saveRoleInfo() {
          if(!this.selectedRoleId) {
            return this.$message.error('请选择要分配的角色！')
          }
          const {data:res} = await this.$http.put(`users/${this.userInfo.id}/role`,{rid: this.selectedRoleId})
          if(res.meta.status !== 200) {
            return this.$message.error('更新角色失败')
          }
          this.$message.success('更新角色成功！')
          this.getUserList()
          this.setRoleDialogVisible = false
        },
        setRoleDialogClosed() {
          this.selectedRoleId = ''
          this.userInfo = {}
        }
      }
    }
</script>

<style lang="less" scoped>

</style>
